IDEV-2028: Bug bash changes

README.md

@@ -226,7 +226,7 @@ Custom parameters aside from the common `GET` Request parameters:
     api = API(USERNAME, KEY, always_sign_api_key=False)
     api.nod(endpoint="feed", **kwargs)
     ```
-- `header_authentication`: by default, we're using API Header Authentication. Set this False if you want to use API Key and Secret Authentication. Apparently, you can't use API Header Authentication for `download` endpoints so you need to set this to `False` when calling `download` API endpoints.
+- `header_authentication`: by default, we're using API Header Authentication. Set this False if you want to use API Key and Secret Authentication. Apparently, you can't use API Header Authentication for `download` endpoints so this will be defaulted to `False` even without explicitly setting it.
     ```python
     api = API(USERNAME, KEY, always_sign_api_key=False)
     api.nod(header_authentication=False, **kwargs)

domaintools/api.py

@@ -89,11 +89,8 @@ def __init__(
 
         if not https:
             raise Exception("The DomainTools API endpoints no longer support http traffic. Please make sure https=True.")
-        if proxy_url:
-            if isinstance(proxy_url, str):
-                self.proxy_url = {"http://": proxy_url, "https://": proxy_url}
-            else:
-                raise Exception("Proxy URL must be a string. For example: '127.0.0.1:8888'")
+        if proxy_url and not isinstance(proxy_url, str):
+            raise Exception("Proxy URL must be a string. For example: '127.0.0.1:8888'")
 
     def _build_api_url(self, api_url=None, api_port=None):
         """Build the API url based on the given url and port. Defaults to `https://api.domaintools.com`"""

domaintools/utils.py

@@ -185,4 +185,5 @@ def validate_feeds_parameters(params):
         raise ValueError(f"{format} format is not available in {Endpoint.DOWNLOAD.value} API.")
 
     if endpoint == Endpoint.DOWNLOAD.value and params.get("header_authentication", True):
-        raise ValueError(f"{Endpoint.DOWNLOAD.value} API does not support header authentication. Provide api_key in the parameter")
+        # For download endpoint, header_authentication will be False by default
+        params["header_authentication"] = False